package cn.lili.modules.order.order.aop;

import cn.lili.common.security.context.UserContext;
import cn.lili.common.security.enums.UserEnums;
import cn.lili.common.utils.SpelUtil;
import cn.lili.common.utils.ThreadPoolUtil;
import cn.lili.modules.order.trade.entity.dos.OrderLog;
import cn.lili.modules.order.trade.service.OrderLogService;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.HashMap;
import java.util.Map;

/**
 * 订单操作日志
 *
 * @author Chopper
 * @since 2020/11/17 7:22 下午
 */
@Slf4j
@Aspect
@Component
public class OrderOperationLogAspect {

	@Autowired
	private OrderLogService orderLogService;

	@After("@annotation(cn.lili.modules.order.order.aop.OrderLogPoint)")
	public void doAfter(JoinPoint joinPoint) {
		try {

			// 日志对象拼接
			// 默认操作人员，系统操作
			String userName = "系统操作", id = "-1", role = UserEnums.SYSTEM.getRole();
			if (UserContext.getCurrentUser() != null) {
				// 日志对象拼接
				userName = UserContext.getCurrentUser().getUsername();
				id = UserContext.getCurrentUser().getId();
				role = UserContext.getCurrentUser().getRole().getRole();
			}
			Map<String, String> orderLogPoints = spelFormat(joinPoint);
			OrderLog orderLog = new OrderLog(orderLogPoints.get("orderSn"), id, role, userName,
					orderLogPoints.get("description"));
			// 调用线程保存
			ThreadPoolUtil.getPool().execute(new SaveOrderLogThread(orderLog, orderLogService));
		} catch (Exception e) {
			log.error("订单日志错误", e);
		}
	}

	/**
	 * 获取注解中对方法的描述信息 用于Controller层注解
	 *
	 * @param joinPoint
	 *            切点
	 * @return 方法描述
	 * @throws Exception
	 */
	private static Map<String, String> spelFormat(JoinPoint joinPoint) throws Exception {

		Map<String, String> result = new HashMap<>(2);
		MethodSignature signature = (MethodSignature) joinPoint.getSignature();
		OrderLogPoint orderLogPoint = signature.getMethod().getAnnotation(OrderLogPoint.class);
		String description = SpelUtil.compileParams(joinPoint, orderLogPoint.description());
		String orderSn = SpelUtil.compileParams(joinPoint, orderLogPoint.orderSn());

		result.put("description", description);
		result.put("orderSn", orderSn);
		return result;
	}

	/**
	 * 保存日志
	 */
	private static class SaveOrderLogThread implements Runnable {

		private final OrderLog orderLog;
		private final OrderLogService orderLogService;

		public SaveOrderLogThread(OrderLog orderLog, OrderLogService orderLogService) {
			this.orderLog = orderLog;
			this.orderLogService = orderLogService;
		}

		@Override
		public void run() {
			orderLogService.save(orderLog);
		}
	}

}
